Attachment 1990 Details for Bug 11760 – [PATCH 05] dca: fix dca_bitalloc_index decoder init

[patch] [PATCH 05] dca: fix dca_bitalloc_index decoder init

0001-dca-fix-dca_bitalloc_index-decoder-init.patch (text/plain), 976 bytes, created by Sergey Vlasov on 2007-05-23 19:48:06 MSD

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Creator: Sergey Vlasov

Created: 2007-05-23 19:48:06 MSD

Size: 976 bytes

patch

obsolete

>From 90050e73927ce1aa07f9c2ce61dfbbb68201e219 Mon Sep 17 00:00:00 2001
>From: Sergey Vlasov <vsu@altlinux.ru>
>Date: Fri, 18 May 2007 11:01:08 +0400
>Subject: dca: fix dca_bitalloc_index decoder init
>
>One of Huffman codes used in dca_bitalloc_index has 10-bit codes, but
>the decode table is built only for 9 bits, therefore the .wrap field
>must be set to 2 for correct decoding.
>
>Signed-off-by: Sergey Vlasov <vsu@altlinux.ru>
>---
> libavcodec/dca.c |    2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
>diff --git a/libavcodec/dca.c b/libavcodec/dca.c
>index 4f83705..86a9bfc 100644
>--- a/libavcodec/dca.c
>+++ b/libavcodec/dca.c
>@@ -186,7 +186,7 @@ static void dca_init_vlcs(void)
>         return;
> 
>     dca_bitalloc_index.offset = 1;
>-    dca_bitalloc_index.wrap = 1;
>+    dca_bitalloc_index.wrap = 2;
>     for (i = 0; i < 5; i++)
>         init_vlc(&dca_bitalloc_index.vlc[i], bitalloc_12_vlc_bits[i], 12,
>                  bitalloc_12_bits[i], 1, 1,
>-- 
>1.5.2.47.g4fe5
>

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